redis-js/redis-mock-min.js

An in-memory redis-compatible implementation written in pure javascript. Part of the [Rarefied Redis Project](http://wilkenstein.github.io/rarefied-redis/).

(function(){"use strict";var root=this;var redismock={};function exists(v){return typeof v!=="undefined"&&v!==null}if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports){exports=module.exports=redismock}exports.redismock=redismock}else{root.redismock=redismock}if(typeof setImmediate==="undefined"||typeof setImmediate!=="function"){var setImmediate=function(f){setTimeout(f,0)}}redismock.Array=Array;function SortedSet(){this.scores=[];this.set={};this.invset={};this.indices={};this.lengths={};this.card=0;return this}SortedSet.prototype.add=function(score,member){var ret=1;if(exists(this.invset[member])){this.rem(member);ret=0}if(!exists(this.set[score])){this.scores.push(score);this.set[score]=[];this.lengths[score]=0}this.set[score].push(member);this.invset[member]=score;this.indices[member]=this.set[score].length-1;this.lengths[score]+=1;this.card+=1;return ret};SortedSet.prototype.rem=function(member){var score;if(!exists(this.invset[member])){return 0}score=this.invset[member];this.set[score].splice(this.set[score].indexOf(member),1);this.lengths[score]-=1;if(this.lengths[score]===0){this.set[score]=undefined;this.scores.splice(this.scores.indexOf(score),1)}this.invset[member]=undefined;this.indices[member]=undefined;this.card-=1;return 1};SortedSet.prototype.sortScores=function(){this.scores.sort(function(a,b){return parseInt(a,10)-parseInt(b,10)});return this};SortedSet.prototype.sortScoresRev=function(){this.scores.sort(function(a,b){return parseInt(b,10)-parseInt(a,10)});return this};redismock.SortedSet=function(){return new SortedSet};var cache={};var timeouts={};var subscribers=[];var watchers={};var sets="sets-"+Math.random();var zsets="zsets-"+Math.random();var hashes="hashes-"+Math.random();cache[sets]={};cache[zsets]={};cache[hashes]={};String.prototype.escape=function(){var escapable=/[.\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;var meta;meta={"\b":"\\b","	":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",".":"\\.",'"':'\\"',"\\":"\\\\"};function escapechar(a){var c=meta[a];return typeof c==="string"?c:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)}return this.replace(escapable,escapechar)};function translate(pat){var i=0,j,n=pat.length||0,res,c,stuff;res="^";while(i<n){c=pat[i];i=i+1;if(c==="*"){res=res+".*"}else if(c==="?"){res=res+"."}else if(c==="["){j=i;if(j<n&&pat[j]==="!"){j=j+1}if(j<n&&pat[j]==="]"){j=j+1}while(j<n&&pat[j]!=="]"){j=j+1}if(j>=n){res=res+"\\["}else{stuff=pat.slice(i,j).replace("\\","\\\\");i=j+1;if(stuff[0]==="!"){stuff="^"+stuff.slice(1)}else if(stuff[0]==="^"){stuff="\\"+stuff}res=res+"["+stuff+"]"}}else{res=res+c.escape()}}return res+"$"}var cb=function(callback,context){return function(){var args=arguments;if(callback&&typeof callback==="function"){setImmediate(function(){callback.apply(context,args)})}if(args[0]instanceof Error){return args[0]}return args[1]}};var gather=function(){return function(){var idx,len=arguments.length;var callback;var list=[];for(idx=len-1;idx>=0;idx-=1){if(!callback&&typeof arguments[idx]==="function"){callback=arguments[idx]}else if(exists(arguments[idx])){list.unshift(arguments[idx])}}return{callback:callback,list:list}}};var wrongType=function(callback){return cb(callback)(new Error("WRONGTYPE Operation against a key holding the wrong kind of value"))};redismock.ifType=function(key,type,callback){var that=this;return{thenex:function(f){this._ifex=f;return this},thennx:function(f){this._ifnx=f;return this},then:function(f){this._then=f;return this},end:function(){var ret;if(that.exists(key)){if(that.type(key)!==type){return wrongType(callback)}if(typeof this._ifex==="function"){ret=this._ifex.call(that);if(ret&&ret instanceof Error){return cb(callback)(ret)}}}else{if(typeof this._ifnx==="function"){ret=this._ifnx.call(that);if(ret&&ret instanceof Error){return cb(callback)(ret)}}}if(typeof this._then==="function"){ret=this._then.call(that);if(ret&&ret instanceof Error){return cb(callback)(ret)}}return cb(callback)(null,ret)}}};redismock.del=function(key,callback){var that=this;var count=0;var g=gather(this.del).apply(this,arguments);callback=g.callback;var deleter=function(k){if(that.exists(k)){if(k in cache){cache[k]=undefined}else if(k in cache[sets]){cache[sets][k]=undefined}else if(k in cache[zsets]){cache[zsets][k]=undefined}else if(k in cache[hashes]){cache[hashes][k]=undefined}return 1}return 0};var toDelete=g.list;if(typeof g.list[0]==="object"){toDelete=g.list[0]}toDelete.forEach(function(k){count+=deleter(k)});return cb(callback)(null,count)};redismock.dump=function(key,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.exists=function(key,callback){return cb(callback)(null,exists(cache[key])||exists(cache[sets][key])||exists(cache[zsets][key])||exists(cache[hashes][key])?1:0)};redismock.expire=function(key,seconds,callback){return this.pexpire(key,seconds*1e3,callback)};redismock.expireat=function(key,timestamp,callback){var now=new Date;return this.pexpire(key,timestamp*1e3-now.getTime(),callback)};redismock.keys=function(pattern,callback){var keys=[],key;var regex=new RegExp(translate(pattern));for(key in cache){if(key===sets||key===zsets||key===hashes){continue}if(cache.hasOwnProperty(key)){if(key.match(regex)!==null){keys.push(key)}}}for(key in cache[sets]){if(cache[sets].hasOwnProperty(key)){if(key.match(regex)!==null){keys.push(key)}}}for(key in cache[zsets]){if(cache[zsets].hasOwnProperty(key)){if(key.match(regex)!==null){keys.push(key)}}}for(key in cache[hashes]){if(cache[hashes].hasOwnProperty(key)){if(key.match(regex)!==null){keys.push(key)}}}return cb(callback)(null,keys)};redismock.migrate=function(host,port,key,destination_db,timeout,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.move=function(key,db,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.object=function(subcommand,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.persist=function(key,callback){if(this.exists(key)&&timeouts[key]){clearTimeout(timeouts[key].timeout);return cb(callback)(null,1)}return cb(callback)(null,0)};redismock.pexpire=function(key,milliseconds,callback){var that=this;if(this.exists(key)){if(timeouts[key]){clearTimeout(timeouts[key].timeout)}if(milliseconds<=0){this.del(key)}else{timeouts[key]={};timeouts[key].start=new Date;timeouts[key].end=new Date(timeouts[key].start.getTime()+milliseconds);timeouts[key].timeout=setTimeout(function(){timeouts[key]=undefined;that.del(key)},milliseconds)}return cb(callback)(null,1)}return cb(callback)(null,0)};redismock.pexpireat=function(key,timestamp,callback){var now=new Date;return this.pexpire(key,timestamp-now.getTime(),callback)};redismock.pttl=function(key,callback){var now=new Date;if(timeouts[key]){return cb(callback)(null,timeouts[key].end.getTime()-now.getTime())}return cb(callback)(null,this.exists(key)?-1:-2)};redismock.randomkey=function(callback){var rando=null;function loop_through(count,looper){var key;for(key in looper){if(key===sets){count=loop_through(count,cache[sets]);continue}else if(key===zsets){count=loop_through(count,cache[zsets]);continue}else if(key===hashes){count=loop_through(count,cache[hashes]);continue}else if(Math.random()<1/count){rando=key}count+=1}return count}loop_through(1,cache);return cb(callback)(null,rando)};redismock.rename=function(key,newkey,callback){var type;if(!this.exists(key)){return cb(callback)(new Error("ERR no such key"))}if(key===newkey){return cb(callback)(null,"OK")}type=this.type(key);if(type==="string"||type==="list"){cache[newkey]=cache[key]}else if(type==="set"){cache[sets][newkey]=cache[sets][key]}else if(type==="zset"){cache[zsets][newkey]=cache[zsets][key]}else if(type==="hash"){cache[hashes][newkey]=cache[hashes][key]}this.del(key);return cb(callback)(null,"OK")};redismock.renamenx=function(key,newkey,callback){var r;if(this.exists(newkey)){return cb(callback)(null,0)}r=this.rename(key,newkey);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,1)};redismock.restore=function(key,ttl,serialized_value,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.sort=function(key,callback){return cb(callback)(new Error("UNIMPLEMENTED"))};redismock.ttl=function(key,callback){var now=new Date;if(timeouts[key]){return cb(callback)(null,(timeouts[key].end.getTime()-now.getTime())/1e3)}return cb(callback)(null,this.exists(key)?-1:-2)};redismock.type=function(key,callback){if(this.exists(key)){var type=typeof cache[key];if(type==="object"){if(cache[key]instanceof Array){type="list"}}else if(type==="undefined"){if(key in cache[sets]&&cache[sets][key]){type="set"}else if(key in cache[zsets]&&cache[zsets][key]){type="zset"}else if(key in cache[hashes]&&cache[hashes][key]){type="hash"}}return cb(callback)(null,type)}return cb(callback)(null,"none")};redismock.scan=function(cursor,callback){var g=gather(this.scan).apply(null,arguments);var idx=0;var key;var reply=[];var count,match;g.list.forEach(function(option,index){if(option==="count"){count=g.list[index+1]}if(option==="match"){match=new RegExp(translate(g.list[index+1]))}});if(typeof count==="undefined"||isNaN(parseInt(count,10))){count=10}callback=g.callback;for(key in cache){if(cache.hasOwnProperty(key)){if(key===sets||key===zsets||key===hashes){continue}idx+=1;if(idx>cursor){if(!exists(match)||key.match(match)){reply.push(key);if(reply.length>=count){return cb(callback)(null,[idx,reply])}}}}}for(key in cache[sets]){if(cache[sets].hasOwnProperty(key)){idx+=1;if(idx>cursor){if(!exists(match)||key.match(match)){reply.push(key);if(reply.length>=count){return cb(callback)(null,[idx,reply])}}}}}for(key in cache[zsets]){if(cache[zsets].hasOwnProperty(key)){idx+=1;if(idx>cursor){if(!exists(match)||key.match(match)){reply.push(key);if(reply.length>=count){return cb(callback)(null,[idx,reply])}}}}}for(key in cache[hashes]){if(cache[hashes].hasOwnProperty(key)){idx+=1;if(idx>cursor){if(!exists(match)||key.match(match)){reply.push(key);if(reply.length>=count){return cb(callback)(null,[idx,reply])}}}}}if(!reply.length){idx=0}return cb(callback)(null,[idx,reply])};redismock.append=function(key,value,callback){return this.ifType(key,"string",callback).thenex(function(){cache[key]+=value;return null}).thennx(function(){return this.set(key,value)}).then(function(){return cache[key].length}).end()};redismock.bitcount=function(key,callback){var g=gather(this.bitcount).apply(this,arguments);var start,end;callback=g.callback;if(g.list.length===3){start=g.list[1];end=g.list[2]}return this.ifType(key,"string",callback).thenex(function(){var idx,n,count;if(!exists(start)){start=0}if(!exists(end)){end=cache[key].length-1}if(end>=cache[key].length){end=cache[key].length-1}if(start<0){start=cache[key].length+start}if(end<0){end=cache[key].length+end}if(start>end){return 0}count=0;for(idx=start;idx<=end;idx+=1){n=cache[key].charCodeAt(idx);while(n){count+=n&1;n>>=1}}return count}).thennx(function(){return 0}).end()};redismock.bitop=function(operation,destkey,key,callback){var that=this;var g=gather(this.bitop).apply(this,arguments);var longest,strings,string,r;operation=typeof operation==="string"?operation.toLowerCase():"";if(operation!=="and"&&operation!=="or"&&operation!=="xor"&&operation!=="not"){return cb(callback)(new Error("ERR syntax error"))}callback=g.callback;strings=g.list.slice(2).map(function(k){if(that.exists(k)&&that.type(k)!=="string"){return null}return that.exists(k)?cache[k]:""});if(strings.some(function(str){return str===null})){return wrongType(callback)}longest=strings.reduce(function(length,str){return str.length>length?str.length:length},0);strings=strings.map(function(str){while(str.length<longest){str+="\x00"}return str});string=strings.reduce(function(cur,str,index){var idx,n,s;s="";for(idx=0;idx<longest;idx+=1){if(operation==="and"){n=cur.charCodeAt(idx)&str.charCodeAt(idx)}else if(operation==="or"){n=cur.charCodeAt(idx)|str.charCodeAt(idx)}else if(operation==="xor"){if(index>0){n=cur.charCodeAt(idx)^str.charCodeAt(idx)}else{n=cur.charCodeAt(idx)}}else if(operation==="not"){n=~cur.charCodeAt(idx)}s+=String.fromCharCode(n)}return s},strings[0]);r=this.set(destkey,string);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,string.length)};redismock.bitpos=function(key,bit,callback){var g=gather(this.bitpos).apply(this,arguments);var start,end;callback=g.callback;if(g.list.length>2){start=g.list[2];end=g.list[3]}if(typeof start==="undefined"){start=0}if(bit!==0&&bit!==1){return cb(callback)(new Error("ERR The bit argument must be 1 or 0."))}return this.ifType(key,"string",callback).thennx(function(){if(bit===0){return 0}return-1}).thenex(function(){var idx,ch,cnt,noend=false;if(start<0){start=cache[key].length+start}if(typeof end==="undefined"){noend=true;end=cache[key].length-1}if(end<0){end=cache[key].length+end}if(start>end){return-1}for(idx=start;idx<=end;idx+=1){ch=cache[key].charCodeAt(idx);cnt=0;while(cnt<8){if(bit===0&&(ch&128)!==128){return idx*8+cnt}if(bit===1&&(ch&128)===128){return idx*8+cnt}ch<<=1;cnt+=1}}if(bit===1){return-1}if(bit===0&&noend){return idx*8}return-1}).end()};redismock.decr=function(key,callback){return this.decrby(key,1,callback)};redismock.decrby=function(key,decrement,callback){return this.ifType(key,"string",callback).thennx(function(){this.set(key,"0")}).then(function(){var asInt=parseInt(this.get(key),10);if(isNaN(asInt)){return new Error("ERR value is not an integer or out of range")}this.set(key,asInt-decrement);return asInt-decrement}).end()};redismock.get=function(key,callback){if(this.type(key)==="string"){return cb(callback)(null,cache[key])}return cb(callback)(null,null)};redismock.getbit=function(key,offset,callback){return this.ifType(key,"string",callback).thenex(function(){var n,pos;if(offset>=cache[key].length*8){return 0}n=cache[key].charCodeAt(Math.floor(offset/8));pos=offset%8;return n>>pos&1}).thennx(function(){return 0}).end()};redismock.getrange=function(key,start,end,callback){return this.ifType(key,"string",callback).thenex(function(){var len=0;if(end<0){end=cache[key].length+end}if(start<0){len=end-(cache[key].length+start)+1}else{len=end-start+1}return cache[key].substr(start,len)}).thennx(function(){return""}).end()};redismock.getset=function(key,value,callback){var prev=this.get(key);this.set(key,value);return cb(callback)(null,prev)};redismock.incr=function(key,callback){return this.incrby(key,1,callback)};redismock.incrby=function(key,increment,callback){return this.ifType(key,"string",callback).thennx(function(){this.set(key,"0")}).then(function(){var asInt=parseInt(this.get(key),10);if(isNaN(asInt)){return new Error("ERR value is not an integer or out of range")}this.set(key,asInt+increment);return asInt+increment}).end()};redismock.incrbyfloat=function(key,increment,callback){return this.ifType(key,"string",callback).thennx(function(){this.set(key,"0")}).then(function(){var asInt=parseFloat(this.get(key));if(isNaN(asInt)){return new Error("ERR value is not an integer or out of range")}this.set(key,asInt+increment);return this.get(key)}).end()};redismock.mget=function(key,callback){var g=gather(this.mget).apply(this,arguments);callback=g.callback;var data=typeof g.list[0]==="object"?g.list[0]:g.list;return cb(callback)(null,data.map(function(k){return cache[k]||null}))};redismock.mset=function(key,value,callback){var kvs=[];var that=this;var g=gather(this.mset).apply(this,arguments);callback=g.callback;g.list.forEach(function(opt,index){if(index%2===0){kvs.push([opt,g.list[index+1]])}});kvs.forEach(function(kv){that.set(kv[0],kv[1])});return cb(callback)(null,"OK")};redismock.msetnx=function(key,value,callback){var kvs=[];var that=this;var g=gather(this.msetnx).apply(this,arguments);callback=g.callback;g.list.forEach(function(opt,index){if(index%2===0){kvs.push([opt,g.list[index+1]])}});if(kvs.some(function(kv){return that.exists(kv[0])})){return cb(callback)(null,0)}kvs.forEach(function(kv){that.set(kv[0],kv[1])});return cb(callback)(null,1)};redismock.psetex=function(key,milliseconds,value,callback){this.set(key,value);this.pexpire(key,milliseconds);return cb(callback)(null,"OK")};redismock.set=function(key,value,callback){var nx=false,xx=false,ex=-1,px=-1;var g=gather(this.set).apply(this,arguments);callback=g.callback;g.list.forEach(function(opt,index){if(opt==="nx"||opt==="NX"){nx=true}else if(opt==="xx"||opt==="XX"){xx=true}else if(opt==="ex"||opt==="EX"){ex=g.list[index+1]}else if(opt==="px"||opt==="PX"){px=g.list[index+1]}});if(nx){if(this.exists(key)){return cb(callback)(null,null)}}if(xx){if(!this.exists(key)){return cb(callback)(null,null)}}cache[key]=exists(value)?value.toString():"";if(px!==-1){redismock.pexpire(key,px)}if(ex!==-1){redismock.expire(key,ex)}return cb(callback)(null,"OK")};redismock.setbit=function(key,offset,value,callback){return this.ifType(key,"string",callback).thennx(function(){cache[key]=""}).then(function(){var byteIdx=Math.floor(offset/8);var bitIdx=offset%8;var idx,bit,mask;var code;if(value!==0&&value!==1){return new Error("ERR bit is not an integer or out of range")}while(cache[key].length<byteIdx+1){cache[key]+="\x00"}code=cache[key].charCodeAt(byteIdx);idx=0;mask=128;while(idx<bitIdx){mask>>=1;idx+=1}bit=(code&mask)===0?0:1;if(value===0){code=code&~mask}else{code=code|mask}cache[key]=cache[key].substr(0,byteIdx)+String.fromCharCode(code)+cache[key].substr(byteIdx+1);return bit}).end()};redismock.setex=function(key,seconds,value,callback){this.set(key,value);this.expire(key,seconds);return cb(callback)(null,"OK")};redismock.setnx=function(key,value,callback){if(!this.exists(key)){this.set(key,value);return cb(callback)(null,1)}return cb(callback)(null,0)};redismock.setrange=function(key,offset,value,callback){return this.ifType(key,"string",callback).thennx(function(){cache[key]=""}).then(function(){var idx,newValue;if(cache[key].length<offset+value.length-1){for(idx=cache[key].length;idx<offset+value.length;idx+=1){cache[key]+="\x00"}}newValue=cache[key].substr(0,offset);for(idx=offset;idx<offset+value.length;idx+=1){newValue+=value[idx-offset]}newValue+=cache[key].substr(offset+value.length);cache[key]=newValue;return cache[key].length}).end()};redismock.strlen=function(key,callback){if(!this.exists(key)){return cb(callback)(null,0)}return this.ifType(key,"string",callback).thenex(function(){return cache[key].length}).thennx(function(){return 0}).end()};redismock.blpop=function(key,timeout,callback){var that=this;var g=gather(this.blpop).apply(null,arguments);var keys=g.list.slice(0,g.list.length-1);timeout=g.list[g.list.length-1];callback=g.callback;var f,timedout=false;f=function(){if(timedout){return cb(callback)(null,null)}if(keys.some(function(k){var len=that.llen(k);if(len instanceof Error){cb(callback)(len);return true}if(len>0){that.lpop(k,callback);return true}return false})){return}setImmediate(f)};if(timeout>0){setTimeout(function(){timedout=true},timeout*1e3)}setImmediate(f);return this};redismock.brpop=function(key,timeout,callback){var that=this;var g=gather(this.brpop).apply(null,arguments);var keys=g.list.slice(0,g.list.length-1);var f,timedout=false;timeout=g.list[g.list.length-1];callback=g.callback;f=function(){if(timedout){return cb(callback)(null,null)}if(keys.some(function(k){var len=that.llen(k);if(len instanceof Error){cb(callback)(len);return true}if(len>0){that.rpop(k,callback);return true}return false})){return}setImmediate(f)};if(timeout>0){setTimeout(function(){timedout=true},timeout*1e3)}setImmediate(f);return this};redismock.brpoplpush=function(source,destination,timeout,callback){var that=this;var f,timedout=false;f=function(){var len;if(timedout){return cb(callback)(null,null)}len=that.llen(source);if(len instanceof Error){return cb(callback)(len)}if(len>0){that.rpoplpush(source,destination,callback);return}setImmediate(f)};if(timeout>0){setTimeout(function(){timedout=true},timeout*1e3)}setImmediate(f);return this};redismock.lindex=function(key,i,callback){var elem=null;return this.ifType(key,"list",callback).thenex(function(){if(i>=0&&i<cache[key].length){elem=cache[key][i]}else if(i<0&&cache[key].length+1>=0){elem=cache[key][cache[key].length+i]}}).then(function(){return elem}).end()};redismock.linsert=function(key,beforeafter,pivot,value,callback){return this.ifType(key,"list",callback).thenex(function(){var idx=cache[key].indexOf(pivot);if(idx!==-1){if(beforeafter==="before"){cache[key].splice(idx,0,value)}else if(beforeafter==="after"){cache[key].splice(idx+1,0,value)}return cache[key].length}return-1}).thennx(function(){return 0}).end()};redismock.llen=function(key,callback){return this.ifType(key,"list",callback).thenex(function(){return cache[key].length}).thennx(function(){return 0}).end()};redismock.lpop=function(key,callback){return this.ifType(key,"list",callback).thenex(function(){var popped=cache[key].shift();if(!cache[key].length){this.del(key)}return popped}).thennx(function(){return null}).end()};redismock.lpush=function(key,element,callback){var g=gather(this.lpush).apply(this,arguments);callback=g.callback;return this.ifType(key,"list",callback).thennx(function(){cache[key]=new redismock.Array}).then(function(){g.list.slice(1).forEach(function(elem){cache[key].unshift(elem)});return cache[key].length}).end()};redismock.lpushx=function(key,element,callback){return this.ifType(key,"list",callback).thenex(function(){cache[key].unshift(element);return cache[key].length}).thennx(function(){return 0}).end()};redismock.lrange=function(key,start,end,callback){var l=[];return this.ifType(key,"list",callback).thenex(function(){if(start>cache[key].length-1){l=[]}else{if(start<0){start=cache[key].length+start}if(end<0){end=cache[key].length+end}if(start>end){l=[]}else{l=cache[key].slice(start,end+1)}}}).then(function(){return l}).end()};redismock.lrem=function(key,count,element,callback){var cnt=0;return this.ifType(key,"list",callback).thenex(function(){var idx;while(true){idx=cache[key].indexOf(element);if(idx===-1){break}cache[key].splice(idx,1);cnt+=1;if(count>0&&cnt===count){break}}if(!cache[key].length){this.del(key)}}).then(function(){return cnt}).end()};redismock.lset=function(key,index,element,callback){return this.ifType(key,"list",callback).thenex(function(){if(index>=cache[key].length){return new Error("ERR index out of range")}cache[key][index]=element;return"OK"}).thennx(function(){return new Error("ERR no such key")}).end()};redismock.ltrim=function(key,start,end,callback){return this.ifType(key,"list",callback).thenex(function(){var tmpS,tmpE;if(start>cache[key].length-1||start>end){cache[key]=new redismock.Array}else{if(start<0&&end<0){tmpE=cache[key].length+end;tmpS=cache[key].length+start;if(tmpS<0){tmpS=0}start=tmpS;end=tmpE}if(end>cache[key].length-1){end=cache[key].length-1}cache[key]=cache[key].slice(start,end+1)}}).then(function(){if(this.exists(key)&&!cache[key].length){this.del(key)}return"OK"}).end()};redismock.rpop=function(key,callback){return this.ifType(key,"list",callback).thenex(function(){var popped=cache[key].pop();if(!cache[key].length){this.del(key)}return popped}).thennx(function(){return null}).end()};redismock.rpoplpush=function(source,dest,callback){var element=null,reply;if(this.exists(source)&&this.type(source)!=="list"){return wrongType(callback)}if(this.exists(dest)&&this.type(dest)!=="list"){return wrongType(callback)}element=this.rpop(source);if(element instanceof Error){return cb(callback)(element)}if(element){reply=this.lpush(dest,element);if(reply instanceof Error){return cb(callback)(reply)}}return cb(callback)(null,element)};redismock.rpush=function(key,element,callback){var g=gather(this.rpush).apply(this,arguments);callback=g.callback;return this.ifType(key,"list",callback).thennx(function(){cache[key]=new redismock.Array}).then(function(){cache[key]=cache[key].concat(g.list.slice(1));return cache[key].length}).end()};redismock.rpushx=function(key,element,callback){return this.ifType(key,"list",callback).thenex(function(){cache[key].push(element);return cache[key].length}).thennx(function(){return 0}).end()};redismock.sadd=function(key,member,callback){var g=gather(this.sadd).apply(this,arguments);var count=0;callback=g.callback;return this.ifType(key,"set",callback).thennx(function(){cache[sets][key]={}}).then(function(){g.list.slice(1).forEach(function(m){m=m?m.toString():"";if(m.length===0){return}if(!(m in cache[sets][key])){cache[sets][key][m]="";count+=1}});return count}).end()};redismock.scard=function(key,callback){return this.ifType(key,"set",callback).thenex(function(){return Object.keys(cache[sets][key]).length}).thennx(function(){return 0}).end()};redismock.sdiff=function(key,callback){var that=this;var g=gather(this.sdiff).apply(this,arguments);callback=g.callback;if(!g.list.every(function(k){return that.type(k)==="set"||that.type(k)==="none"})){return wrongType(callback)}return this.ifType(key,"set",callback).thennx(function(){return[]}).thenex(function(){return g.list.slice(1).reduce(function(diff,k){return diff.filter(function(d){return!(d in cache[sets][k])})},this.smembers(g.list[0]))}).end()};redismock.sdiffstore=function(destination,key,callback){var g=gather(this.sdiffstore).apply(this,arguments);var diff=this.sdiff.apply(this,g.list.slice(1));callback=g.callback;if(diff instanceof Error){return cb(callback)(diff)}if(this.exists(destination)){this.del(destination)}this.sadd.apply(this,[destination].concat(diff));return cb(callback)(null,diff.length)};redismock.sinter=function(key,callback){var that=this;var g=gather(this.sinter).apply(this,arguments);callback=g.callback;if(!g.list.every(function(k){return that.type(k)==="set"||that.type(k)==="none"})){return wrongType(callback)}return this.ifType(key,"set",callback).thennx(function(){return[]}).thenex(function(){return g.list.slice(1).reduce(function(inter,k){return inter.filter(function(i){return i in cache[sets][k]})},this.smembers(g.list[0]))}).end()};redismock.sinterstore=function(destination,key,callback){var that=this;var g=gather(this.sinterstore).apply(this,arguments);var inter=this.sinter.apply(this,g.list.slice(1));callback=g.callback;if(inter instanceof Error){return cb(callback)(inter)}if(this.exists(destination)){this.del(destination)}inter.forEach(function(member){that.sadd(destination,member)});return cb(callback)(null,inter.length)};redismock.sismember=function(key,member,callback){return this.ifType(key,"set",callback).thenex(function(){return member in cache[sets][key]?1:0}).thennx(function(){return 0}).end()};redismock.smembers=function(key,callback){return this.ifType(key,"set",callback).thenex(function(){return Object.keys(cache[sets][key])}).thennx(function(){return[]}).end()};redismock.smove=function(source,dest,member,callback){var r,e;if(this.exists(source)&&this.type(source)!=="set"){return wrongType(callback)}if(this.exists(dest)&&this.type(dest)!=="set"){return wrongType(callback)}r=redismock.srem(source,member);if(r instanceof Error){return cb(callback)(r)}if(r===1){e=redismock.sadd(dest,member);if(e instanceof Error){return cb(callback)(e)}}return cb(callback)(null,r)};redismock.spop=function(key,callback){var r;var rando=this.srandmember(key);if(rando instanceof Error){return cb(callback)(rando)}r=this.srem(key,rando);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,rando)};redismock.srandmember=function(key,callback){var that=this;var count;if(arguments.length===2&&typeof callback!=="function"){count=callback;callback=null}if(arguments.length===3){count=callback;callback=arguments[2]}return this.ifType(key,"set",callback).thenex(function(){var k=Object.keys(cache[sets][key]);var randos,rando;var len=that.scard(key);if(count===0){return null}if(count){randos=[];while(randos.length<Math.abs(count)){rando=k[Math.floor(Math.random()*k.length)];if(count<0){randos.push(rando)}else{if(randos.indexOf(rando)===-1){randos.push(rando);if(randos.length===len){break}}}}return randos}return k[Math.floor(Math.random()*k.length)]}).thennx(function(){return null}).end()};redismock.srem=function(key,member,callback){var g=gather(this.srem).apply(this,arguments);var count=0;callback=g.callback;return this.ifType(key,"set",callback).thenex(function(){g.list.slice(1).forEach(function(m){var k=m?m.toString():"";if(k in cache[sets][key]){delete cache[sets][key][k];count+=1}});if(!Object.keys(cache[sets][key]).length){this.del(key)}}).then(function(){return count}).end()};redismock.sunion=function(key,callback){var that=this;var g=gather(this.sunion).apply(this,arguments);callback=g.callback;if(!g.list.every(function(k){return that.type(k)==="set"||that.type(k)==="none"})){return wrongType(callback)}return this.ifType(key,"set",callback).thennx(function(){return[]}).thenex(function(){return Object.keys(g.list.reduce(function(set,k){Object.keys(cache[sets][k]).filter(function(u){return!(u in set)}).forEach(function(u){set[u]=""});return set},{}))}).end()};redismock.sunionstore=function(destination,key,callback){var that=this;var g=gather(this.sunionstore).apply(this,arguments);var union=this.sunion.apply(this,g.list.slice(1));callback=g.callback;if(union instanceof Error){return cb(callback)(union)}if(this.exists(destination)){this.del(destination)}union.forEach(function(member){that.sadd(destination,member)});return cb(callback)(null,union.length)};redismock.sscan=function(key,cursor,callback){var g=gather(this.sscan).apply(this,arguments);var count,match;g.list.forEach(function(option,index){if(option==="count"){count=g.list[index+1]}if(option==="match"){match=new RegExp(translate(g.list[index+1]))}});if(typeof count==="undefined"||isNaN(parseInt(count,10))){count=10}callback=g.callback;return this.ifType(key,"set",callback).then(function(){var arr=[];this.smembers(key).slice(cursor).some(function(member){if(typeof match==="undefined"||member.match(match)){arr.push(member)}cursor+=1;return arr.length>=count});if(!arr.length){cursor=0}return[cursor,arr]}).end()};redismock.zadd=function(key,score,member,callback){var g=gather(this.zadd).apply(this,arguments);callback=g.callback;g.list=g.list.slice(1);return this.ifType(key,"zset",callback).thennx(function(){cache[zsets][key]=redismock.SortedSet()}).then(function(){var count=g.list.map(function(elem,index){if(index%2===0){return[parseFloat(g.list[index]),g.list[index+1]]}return null}).filter(function(elem){return elem!==null}).map(function(sm){return cache[zsets][key].add(sm[0],sm[1].toString())}).reduce(function(cnt,ret){return cnt+ret},0);return count}).end()};redismock.zcard=function(key,callback){return this.ifType(key,"zset",callback).thenex(function(){return cache[zsets][key].card}).thennx(function(){return 0}).end()};redismock.zcount=function(key,min,max,callback){return this.ifType(key,"zset",callback).thenex(function(){var count=cache[zsets][key].scores.filter(function(score){return min<=score&&score<=max}).reduce(function(cnt,score){return cnt+cache[zsets][key].lengths[score]},0);return count}).thennx(function(){return 0}).end()};redismock.zincrby=function(key,increment,member,callback){return this.ifType(key,"zset",callback).thennx(function(){cache[zsets][key]=redismock.SortedSet()}).then(function(){var newScore,score;if(!exists(cache[zsets][key].invset[member])){this.zadd(key,increment,member);return increment}score=cache[zsets][key].invset[member];newScore=score+increment;this.zadd(key,newScore,member);return newScore}).end()};redismock.zinterstore=function(destination,numkeys,key,callback){var that=this;var g=gather(this.zinterstore).apply(this,arguments);var weights={};var aggregate="sum";var count;callback=g.callback;if(!g.list.slice(2).every(function(k){return that.type(k)==="zset"||that.type(k)==="none"})){return wrongType(callback)}g.list.forEach(function(option,idx){var index,weightsArray=[];if(option==="weights"){index=idx+1;while(g.list[index]!=="aggregate"&&index<g.list.length){weightsArray.push(g.list[index]);index+=1}weights=weightsArray.reduce(function(hash,weight,i){hash[g.list[i+2]]=weight;
return hash},{})}else if(option==="aggregate"){aggregate=g.list[idx+1]}});if(this.exists(destination)){this.del(destination)}count=0;g.list=g.list.slice(2,2+numkeys);g.list.slice(1).reduce(function(inter,k){var arr=[];var idx,len=inter.length;var score,ms;for(idx=0;idx<len;idx+=1){if(idx%2!==0){continue}score=cache[zsets][k].invset[inter[idx]];if(!exists(score)){continue}if(k in weights){score*=weights[k]}ms=[inter[idx+1],inter[idx]];if(aggregate==="min"){ms[0]=Math.min(ms[0],score)}else if(aggregate==="max"){ms[0]=Math.max(ms[0],score)}else{ms[0]+=score}arr.push(ms[1],ms[0])}return arr},this.zrange(g.list[0],0,-1,"withscores").map(function(mors,index){if(!(g.list[0]in weights)){return mors}if(index%2===0){return mors}return mors*weights[g.list[0]]})).forEach(function(mors,index,inter){if(index%2!==0){return}that.zadd(destination,inter[index+1],mors);count+=1});return cb(callback)(null,count)};redismock.zlexcount=function(key,min,max,callback){var r=this.zrangebylex(key,min,max);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,r.length)};redismock.zrange=function(key,start,stop,callback){var withscores=false;if(typeof callback!=="function"&&callback==="withscores"){withscores=true;callback=arguments[4]}if(start<0){start=Math.max(this.zcard(key)+start,0)}if(stop<0){stop=this.zcard(key)+stop}return this.ifType(key,"zset",callback).thenex(function(){var startScoreIdx=0,idx=0;var range=[];cache[zsets][key].sortScores().scores.some(function(score){if(idx<=start&&idx+cache[zsets][key].lengths[score]>start){return true}idx+=cache[zsets][key].set[score].length;startScoreIdx+=1;return false});cache[zsets][key].scores.slice(startScoreIdx).some(function(score){var arr=[];var len=cache[zsets][key].lengths[score];var from=0,to=0;if(idx>stop){return true}while(idx<start){idx+=1;from+=1}to=from+1;while(idx<=stop&&to<=len){idx+=1;to+=1}while(from<to){if(exists(cache[zsets][key].set[score][from])){arr.push(cache[zsets][key].set[score][from])}from+=1}arr.sort(function(a,b){return a.localeCompare(b)});if(withscores){arr=arr.map(function(e){return[e,score]}).reduce(function(flat,es){return flat.concat(es)},[])}range=range.concat(arr);return false});return range}).thennx(function(){return[]}).end()};redismock.zrangebylex=function(key,min,max,callback){function verify(r){return typeof r==="string"&&(r.charAt(0)==="("||r.charAt(0)==="["||r.charAt(0)==="-"||r.charAt(0)==="+")}if(!verify(min)||!verify(max)){return cb(callback)(new Error("ERR min or max not valid string range item"))}return this.ifType(key,"zset",callback).thennx(function(){return[]}).thenex(function(){var minStr=min.substr(1),maxStr=max.substr(1);var minInclusive=min.charAt(0)==="[",maxInclusive=max.charAt(0)==="[";var maxAll=max.charAt(0)==="+";var range=[];if(min.charAt(0)==="+"){return[]}if(max.charAt(0)==="-"){return[]}cache[zsets][key].scores.forEach(function(score){cache[zsets][key].set[score].forEach(function(member){if(!exists(member)){return}if(member>minStr&&(member<maxStr||maxAll)){range.push(member)}else if(member===minStr&&minInclusive){range.push(member)}else if(member===maxStr&&maxInclusive){range.push(member)}})});range.sort(function(a,b){return a.localeCompare(b)});return range}).end()};redismock.zrevrangebylex=function(key,max,min,callback){var r=this.zrangebylex(key,min,max);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,r.reverse())};redismock.zrangebyscore=function(key,min,max,callback){var withscores=false;var limitOffset=-1,limitCount=-1;var idx,len;var arr=[],offset,count;var minInclusive=true,maxInclusive=true;if(typeof callback!=="function"){len=arguments.length;for(idx=3;idx<len;idx+=1){if(arguments[idx]==="withscores"){withscores=true}if(typeof arguments[idx]==="function"){callback=arguments[idx]}if(arguments[idx]==="limit"){limitOffset=arguments[idx+1];limitCount=arguments[idx+2]}}}if(min==="-inf"){min=Number.NEGATIVE_INFINITY}if(min==="+inf"){min=Number.POSITIVE_INFINITY}if(max==="-inf"){max=Number.NEGATIVE_INFINITY}if(max==="+inf"){max=Number.POSITIVE_INFINITY}if(min.toString().charAt(0)==="("){minInclusive=false;min=parseFloat(min.toString().substr(1))}if(max.toString().charAt(0)==="("){maxInclusive=false;max=parseFloat(max.toString().substr(1))}offset=0;count=0;return this.ifType(key,"zset",callback).thenex(function(){cache[zsets][key].sortScores().scores.some(function(score){var memberArr=[],scoreArr=[],concatArr=[];cache[zsets][key].set[score].some(function(member){if(!exists(member)){return}if((minInclusive&&min<=score||!minInclusive&&min<score)&&(maxInclusive&&score<=max||!maxInclusive&&score<max)){if(limitOffset!==-1&&offset>=limitOffset){if(limitCount!==-1){if(count+memberArr.length<limitCount){memberArr.push(member);if(withscores){scoreArr.push(score)}}else{return true}}}else if(limitOffset===-1){memberArr.push(member);if(withscores){scoreArr.push(score)}}}offset+=1;return false});count+=memberArr.length;memberArr.sort(function(a,b){return a.localeCompare(b)});if(withscores){memberArr.forEach(function(m,idx){concatArr.push(m,scoreArr[idx])})}else{concatArr=memberArr}arr=arr.concat(concatArr);if(limitCount!==-1&&count===limitCount){return true}return false});return arr}).thennx(function(){return[]}).end()};redismock.zrank=function(key,member,callback){return this.ifType(key,"zset",callback).thenex(function(){var idx=0;var found;cache[zsets][key].sortScores();found=cache[zsets][key].scores.some(function(score){if(cache[zsets][key].set[score].indexOf(member)!==-1){return true}idx+=1;return false});if(!found){return null}return idx}).thennx(function(){return null}).end()};redismock.zrem=function(key,member,callback){var g=gather(this.zrem).apply(this,arguments);callback=g.callback;return this.ifType(key,"zset",callback).thenex(function(){var count=g.list.reduce(function(cnt,m){return cnt+cache[zsets][key].rem(m)},0);if(cache[zsets][key].scores.length===0){this.del(key)}return count}).thennx(function(){return 0}).end()};redismock.zremrangebylex=function(key,min,max,callback){var that=this;var range=this.zrangebylex(key,min,max);if(range instanceof Error){return cb(callback)(range)}range.forEach(function(member){that.zrem(key,member)});return cb(callback)(null,range.length)};redismock.zremrangebyrank=function(key,min,max,callback){return this.ifType(key,"zset",callback).thenex(function(){var that=this;var idx,len=cache[zsets][key].scores.length,jdx,nel;var cnt;var score;var toRem=[];var card=this.zcard(key);if(min<0){min=card+min}if(max<0){max=card+max}cnt=0;cache[zsets][key].sortScores();for(idx=0;idx<len;idx+=1){score=cache[zsets][key].scores[idx];nel=cache[zsets][key].set[score].length;for(jdx=0;jdx<nel;jdx+=1,cnt+=1){if(min<=cnt&&cnt<=max){toRem.push(cache[zsets][key].set[score][jdx])}if(cnt>max){break}}if(cnt>max){break}}toRem.forEach(function(r){that.zrem(key,r)});return toRem.length}).thennx(function(){return 0}).end()};redismock.zremrangebyscore=function(key,min,max,callback){var that=this;var range=this.zrangebyscore(key,min,max);if(range instanceof Error){return cb(callback)(range)}range.forEach(function(member){that.zrem(key,member)});return cb(callback)(null,range.length)};redismock.zrevrange=function(key,start,stop,callback){var withscores=false;if(typeof callback!=="function"&&callback==="withscores"){withscores=true;callback=arguments[4]}if(start<0){start=this.zcard(key)+start}if(stop<0){stop=this.zcard(key)+stop}return this.ifType(key,"zset",callback).thenex(function(){var startScoreIdx=0,idx=0;var range=[];cache[zsets][key].sortScoresRev().scores.some(function(score){if(idx<=start&&idx+cache[zsets][key].set[score].length>start){return true}idx+=cache[zsets][key].set[score].length;startScoreIdx+=1;return false});cache[zsets][key].scores.slice(startScoreIdx).some(function(score){var arr=[];var len=cache[zsets][key].set[score].length;var from=0,to=0;if(idx>stop){return true}while(idx<start){idx+=1;from+=1}to=from+1;while(idx<=stop&&to<=len){idx+=1;to+=1}arr=cache[zsets][key].set[score].slice(from,to);arr.sort(function(a,b){return b.localeCompare(a)});if(withscores){arr=arr.map(function(e){return[e,score]}).reduce(function(flat,es){return flat.concat(es)},[])}range=range.concat(arr);return false});return range}).thennx(function(){return[]}).end()};redismock.zrevrangebyscore=function(key,max,min,callback){var g=gather(this.zrevrangebyscore).apply(this,arguments);var r,tmpM;callback=g.callback;tmpM=g.list[1];g.list[1]=g.list[2];g.list[2]=tmpM;r=this.zrangebyscore.apply(this,g.list);if(r instanceof Error){return cb(callback)(r)}r.reverse();if(g.list.some(function(arg){return arg==="withscores"})){r=r.map(function(e,idx){if(idx%2===0){return r[idx+1]}return r[idx-1]})}return cb(callback)(null,r)};redismock.zrevrank=function(key,member,callback){return this.ifType(key,"zset",callback).thenex(function(){var idx,len=cache[zsets][key].scores.length,cnt;var score;cnt=0;cache[zsets][key].sortScores();for(idx=len-1;idx>=0;idx-=1,cnt+=1){score=cache[zsets][key].scores[idx];if(cache[zsets][key].set[score].indexOf(member)!==-1){return cnt}}return null}).thennx(function(){return null}).end()};redismock.zscore=function(key,member,callback){return this.ifType(key,"zset",callback).thenex(function(){var score=null;if(exists(cache[zsets][key].invset[member])){score=cache[zsets][key].invset[member]}return score}).thennx(function(){return null}).end()};redismock.zunionstore=function(destination,numkeys,key,callback){var that=this;var g=gather(this.zunionstore).apply(this,arguments);var weights={};var aggregate="sum";var count;callback=g.callback;if(!g.list.slice(2,2+numkeys).every(function(k){return that.type(k)==="zset"||that.type(k)==="none"})){return wrongType(callback)}g.list.forEach(function(option,idx){var index,weightsArray=[];if(option==="weights"){index=idx+1;while(g.list[index]!=="aggregate"&&index<g.list.length){weightsArray.push(g.list[index]);index+=1}weights=weightsArray.reduce(function(hash,weight,i){hash[g.list[i+2]]=weight;return hash},{})}else if(option==="aggregate"){aggregate=g.list[idx+1]}});if(this.exists(destination)){this.del(destination)}count=0;g.list=g.list.slice(2,2+numkeys);g.list.slice(1).reduce(function(union,k){var arr=[];var idx,len=union.length;var score,ms;var hashk=cache[zsets][k].invset;var hashu={};for(idx=0;idx<len;idx+=1){if(idx%2!==0){continue}ms=[union[idx+1],union[idx]];score=cache[zsets][k].invset[union[idx]];hashu[ms[1]]=ms[0];if(!exists(score)){arr.push(ms[1],ms[0]);continue}if(k in weights){score*=weights[k]}if(aggregate==="min"){ms[0]=Math.min(ms[0],score)}else if(aggregate==="max"){ms[0]=Math.max(ms[0],score)}else{ms[0]+=score}arr.push(ms[1],ms[0])}Object.keys(hashk).forEach(function(member){if(!exists(hashk[member])){return}if(!(member in hashu)){score=hashk[member];if(k in weights){score*=weights[k]}arr.push(member,score)}});return arr},this.zrange(g.list[0],0,-1,"withscores").map(function(mors,index){if(!(g.list[0]in weights)){return mors}if(index%2===0){return mors}return mors*weights[g.list[0]]})).forEach(function(mors,index,union){if(index%2!==0){return}that.zadd(destination,union[index+1],mors);count+=1});return cb(callback)(null,count)};redismock.zscan=function(key,cursor,callback){var g=gather(this.zscan).apply(this,arguments);var count,match;g.list.forEach(function(option,index){if(option==="count"){count=g.list[index+1]}if(option==="match"){match=new RegExp(translate(g.list[index+1]))}});if(typeof count==="undefined"||isNaN(parseInt(count,10))){count=10}callback=g.callback;return this.ifType(key,"zset",callback).then(function(){var arr=[];var cnt=0;cache[zsets][key].sortScores().scores.some(function(score){cache[zsets][key].set[score].some(function(member){if(cursor<=cnt){if(typeof match==="undefined"||member.match(match)){arr.push([member,score])}cursor+=1}if(arr.length>=count){return true}cnt+=1;return false});if(arr.length>=count){return true}return false});arr=arr.reduce(function(unnested,ms){return unnested.concat(ms)},[]);if(!arr.length){cursor=0}return[cursor,arr]}).end()};redismock.hdel=function(key,field,callback){var count=0;var g=gather(this.hdel).apply(this,arguments);callback=g.callback;return this.ifType(key,"hash",callback).thenex(function(){g.list.forEach(function(field){if(field in cache[hashes][key]){cache[hashes][key][field]=undefined;count+=1}});if(Object.keys(cache[hashes][key]).length===0){this.del(key)}}).then(function(){return count}).end()};redismock.hexists=function(key,field,callback){return this.ifType(key,"hash",callback).thenex(function(){return cache[hashes][key][field]!==undefined?1:0}).thennx(function(){return 0}).end()};redismock.hget=function(key,field,callback){return this.ifType(key,"hash",callback).thenex(function(){return cache[hashes][key][field]}).thennx(function(){return null}).end()};redismock.hgetall=function(key,callback){return this.ifType(key,"hash",callback).thenex(function(){var obj=Object.keys(cache[hashes][key]).map(function(field){return[field,cache[hashes][key][field]]}).reduce(function(prev,fv){prev[fv[0]]=fv[1];return prev},{});return obj}).thennx(function(){return null}).end()};redismock.hgetall_array=function(key,callback){return this.ifType(key,"hash",callback).thenex(function(){var arr=Object.keys(cache[hashes][key]).map(function(field){return[field,cache[hashes][key][field]]}).reduce(function(prev,fv){return prev.concat(fv)},[]);return arr}).thennx(function(){return[]}).end()};redismock.hincrby=function(key,field,increment,callback){increment=parseInt(increment,10);return this.ifType(key,"hash",callback).thennx(function(){cache[hashes][key]={}}).then(function(){var no;if(this.hexists(key,field)===0){this.hset(key,field,increment)}else{no=parseInt(this.hget(key,field),10);if(isNaN(no)){return new Error("ERR hash value is not an integer")}this.hset(key,field,no+increment)}return this.hget(key,field)}).end()};redismock.hincrbyfloat=function(key,field,increment,callback){return this.ifType(key,"hash",callback).thennx(function(){cache[hashes][key]={}}).then(function(){var no;if(this.hexists(key,field)===0){this.hset(key,field,increment)}else{no=parseFloat(this.hget(key,field));if(isNaN(no)){return new Error("ERR hash value is not a valid float")}this.hset(key,field,no+increment)}return this.hget(key,field)}).end()};redismock.hkeys=function(key,callback){return this.ifType(key,"hash",callback).thenex(function(){return Object.keys(cache[hashes][key]).filter(function(f){return cache[hashes][key][f]!==undefined})}).thennx(function(){return[]}).end()};redismock.hlen=function(key,callback){var r=this.hkeys(key);if(r instanceof Error){return cb(callback)(r)}return cb(callback)(null,r.length)};redismock.hmget=function(key,field,callback){var g=gather(this.hmget).apply(this,arguments);callback=g.callback;return this.ifType(key,"hash",callback).thenex(function(){g.list=g.list.slice(1);var arr=g.list.map(function(f){return cache[hashes][key][f]});return arr}).thennx(function(){return[]}).end()};redismock.hmset=function(key,field,callback){var g=gather(this.hmset).apply(this,arguments);callback=g.callback;return this.ifType(key,"hash",callback).thennx(function(){cache[hashes][key]={}}).then(function(){var that=this;var first=g.list[1];if(g.list.length===2&&typeof first==="object"&&!(first instanceof Array)){Object.keys(first).forEach(function(fv){that.hset(key,fv,first[fv])})}else{g.list=g.list.slice(1);g.list.map(function(fv,index){if(index%2===0){return[fv,g.list[index+1]]}return null}).filter(function(fv){return fv!==null}).forEach(function(fv){that.hset(key,fv[0],fv[1])})}return"OK"}).end()};redismock.hset=function(key,field,value,callback){var ret;return this.ifType(key,"hash",callback).thenex(function(){if(field in cache[hashes][key]&&cache[hashes][key][field]!==undefined){ret=0}else{ret=1}}).thennx(function(){ret=1;cache[hashes][key]={}}).then(function(){cache[hashes][key][field]=value;return ret}).end()};redismock.hsetnx=function(key,field,value,callback){var ret;return this.ifType(key,"hash",callback).thenex(function(){if(field in cache[hashes][key]&&cache[hashes][key][field]!==undefined){ret=0;return}ret=1}).thennx(function(){ret=1;cache[hashes][key]={}}).then(function(){if(ret===1){cache[hashes][key][field]=value}return ret}).end()};redismock.hstrlen=function(key,field,callback){return this.ifType(key,"hash",callback).thennx(function(){return 0}).thenex(function(){if(!exists(cache[hashes][key][field])){return 0}return cache[hashes][key][field].toString().length}).end()};redismock.hvals=function(key,callback){var vals=[];return this.ifType(key,"hash",callback).thenex(function(){vals=Object.keys(cache[hashes][key]).filter(function(field){return cache[hashes][key][field]!==undefined}).map(function(field){return cache[hashes][key][field]})}).then(function(){return vals}).end()};redismock.hscan=function(key,cursor,callback){var g=gather(this.hscan).apply(this,arguments);var count,match;g.list.forEach(function(option,index){if(option==="count"){count=g.list[index+1]}if(option==="match"){match=new RegExp(translate(g.list[index+1]))}});if(typeof count==="undefined"||isNaN(parseInt(count,10))){count=10}callback=g.callback;return this.ifType(key,"hash",callback).then(function(){var arr=[];this.hgetall_array(key).slice(cursor*2).some(function(forv,index,hgetall){if(index%2!==0){return false}if(typeof match==="undefined"||forv.match(match)){arr.push([forv,hgetall[index+1]])}cursor+=1;return arr.length>=count});arr=arr.reduce(function(prev,fv){return prev.concat(fv)},[]);if(!arr.length){cursor=0}return[cursor,arr]}).end()};redismock.on=function(event,callback){if(!exists(this.listeners)){this.listeners={}}if(!exists(this.listeners[event])){this.listeners[event]=[]}this.listeners[event].push(callback);return this};function emit(rm,event){var g=gather(emit).apply(null,arguments);if(exists(rm.listeners[event])){rm.listeners[event].forEach(function(cb){setImmediate(function(){cb.apply(rm,g.list.slice(2))})})}}function Subscriber(rm){this.rm=rm;return this}Subscriber.prototype.subscribe=function(channel){this.channel=chan